timinginfo: ignore $specify2 cells if EN is false

diff --git a/kernel/timinginfo.h b/kernel/timinginfo.h
index 36908868c1ba64ed30b4a736af3c99a1ec9517cc..d818e580b96766be81d828223dfac76b84c1f06e 100644 (file)
--- a/kernel/timinginfo.h
+++ b/kernel/timinginfo.h
@@ -82,6 +82,9 @@ struct TimingInfo
 
                for (auto cell : module->cells()) {
                        if (cell->type == ID($specify2)) {
+                               auto en = cell->getPort(ID::EN);
+                               if (en.is_fully_const() && !en.as_bool())
+                                       continue;
                                auto src = cell->getPort(ID::SRC);
                                auto dst = cell->getPort(ID::DST);
                                for (const auto &c : src.chunks())